1.The road was covered with a _____ (一大片) of ice, so be careful while going to school.
2.The path grew _____ (陡峭的) as we climbed higher.
3.My ______(一 代人) have grown up without the experience of a world war.
4.Fish and chips, often _____ (包) in a piece of paper, are still a favourite among English diners.
5.In the _____ (地区) hit by the earthquake, large quantities of food are needed.
6.The rare vase dates back to the Ming _____ (朝代).
7.The Mid-Autumn Festival is ______ (significance) because it is a special occasion for the family reunion.
8.An expert working for the environment will give a lecture on the causes and _____ (harm) effects of global warming.
9.Only in this way can we protect our environment and build a _____ (harmony) society.